Can somebody please answer my question!

Ateam of engineers has decided to design a new shoe for people suffering from a painful foot condition. what should the engineers do during the planning stage of their project? a. look at the trial's results to see how the design can be improved. b. build a variety of shoe models. c. have patients wear the new shoe in an experimental trial to see if symptoms improve. d. estimate how much potential consumers would be willing to pay for this new shoe.

Which of the following is an example of search costs? a.) driving to a faraway place to find available goods b.) buying goods in some special way that is outside the normal channels c.) paying a premium cost for goods d.) selling extra goods for a discount price

The returns on the common stock of maynard cosmetic specialties are quite cyclical. in a boom economy, the stock is expected to return 22 percent in comparison to 9 percent in a normal economy and a negative 14 percent in a recessionary period. the probability of a recession is 35 percent while the probability of a boom is 10 percent. what is the standard deviation of the returns on this stock?